Signal Recorder SR-7
My friend built this and I'm blown away with how much fun it is and the high level of polish. It renders 9 different strange attractors (Lorenz, Rössler, Aizawa, Chen, etc.) as particle systems — thousands of particles tracing chaotic paths in real time. You can rotate and zoom with touch/trackpad in 3D. The sound is the part that surprised me. It's not a soundtrack — the audio is generated from the motion itself using spatial audio, so tones shift as the attractor's behavior changes and the sound moves around you as you rotate the form. Put on headphones. The Playdate version uses the…
Signal Recorder SR-7 launched on June 9, 2026 with 101 votes, #384 of 22,647 launches that month and more than 95% of that year's launches.
What it does
Privacy-first voice recorder for Mac and iPhone. Transcripts and AI summaries run on-device via Apple Speech and FoundationModels — no server, no account, nothing leaving your machine. Every recording exports as a Markdown file with YAML frontmatter — yours, on disk, ready for Obsidian or git. A built-in local MCP server lets Claude Code and other AI tools query the archive. Designed experience-first, to keep you in the moment. $7.99, buy once — Mac and iPhone, no subscription.
On-device voice recorder for iPhone, iPad, and Mac. Transcribes and summarises locally, exports every recording as a markdown file you own. No subscription, no accounts.
Voice recorder for iPhone, iPad, and Mac. Transcripts and summaries run on your device. Every recording exports as a markdown file — yours, on disk. The tools we use to capture shape how we think. A different pen changes the way you write; a recorder changes what you notice. In an age of AI, revisiting the proven practice of simply recording your thoughts turns out to be more relevant than ever. Signal Recorder SR-7 gives you a quiet space to capture ideas, conversations, and observations, then turns them into something you can search, skim, and build on. Everything runs on your device. When you're ready, iCloud sync brings your library across iPhone, iPad, and Mac, and the MCP server opens…from fieldbw.com
In the maker’s words, at launch
My friend built this and I'm blown away with how much fun it is and the high level of polish. It renders 9 different strange attractors (Lorenz, Rössler, Aizawa, Chen, etc.) as particle systems — thousands of particles tracing chaotic paths in real time. You can rotate and zoom with touch/trackpad in 3D. The…
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